RichTextBox.SaveFile Método

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

public:
 void SaveFile(System::IO::Stream ^ data, System::Windows::Forms::RichTextBoxStreamType fileType);

public void SaveFile(System.IO.Stream data, System.Windows.Forms.RichTextBoxStreamType fileType);

member this.SaveFile : System.IO.Stream * System.Windows.Forms.RichTextBoxStreamType -> unit

Public Sub SaveFile (data As Stream, fileType As RichTextBoxStreamType)

Parâmetros

Exceções

Exemplos

O exemplo de código seguinte demonstra a utilização dos SaveFile métodos e LoadFile com fluxos. Também demonstra o uso dos FileDialog.FileNameelementos, FileDialog.DefaultExt, SaveFileDialog.CreatePrompt, e SaveFileDialog.OverwritePrompt dos membros.

Este é um exemplo completo que está pronto a ser executado quando o copia para o seu projeto.

using namespace System;
using namespace System::Drawing;
using namespace System::IO;
using namespace System::Windows::Forms;

public ref class Form1: public Form
{
public private:
   RichTextBox^ RichTextBox1;
   Button^ Button1;
   RichTextBox^ RichTextBox2;
   Button^ Button2;
   SaveFileDialog^ SaveFileDialog1;

public:
   Form1()
      : Form()
   {
      userInput = gcnew MemoryStream;
      this->RichTextBox1 = gcnew RichTextBox;
      this->Button1 = gcnew Button;
      this->RichTextBox2 = gcnew RichTextBox;
      this->Button2 = gcnew Button;
      this->SaveFileDialog1 = gcnew SaveFileDialog;
      this->SuspendLayout();
      this->RichTextBox1->Location = Point( 24, 64 );
      this->RichTextBox1->Name = "RichTextBox1";
      this->RichTextBox1->TabIndex = 0;
      this->RichTextBox1->Text = "Type something here.";
      this->Button1->Location = Point( 96, 16 );
      this->Button1->Name = "Button1";
      this->Button1->Size = Size( 96, 24 );
      this->Button1->TabIndex = 1;
      this->Button1->Text = "Save To Stream";
      this->Button1->Click += 
          gcnew EventHandler( this, &Form1::Button1_Click );
      this->RichTextBox2->Location = Point( 152, 64 );
      this->RichTextBox2->Name = "RichTextBox2";
      this->RichTextBox2->TabIndex = 3;
      this->RichTextBox2->Text = "It will be added to the stream "
      "and appear here.";
      this->Button2->Location = Point( 104, 200 );
      this->Button2->Name = "Button2";
      this->Button2->Size = Size( 88, 32 );
      this->Button2->TabIndex = 4;
      this->Button2->Text = "Save Stream To File";
      this->Button2->Click += 
          gcnew EventHandler( this, &Form1::Button2_Click );
      this->ClientSize = Size( 292, 266 );
      this->Controls->Add( this->Button2 );
      this->Controls->Add( this->RichTextBox2 );
      this->Controls->Add( this->Button1 );
      this->Controls->Add( this->RichTextBox1 );
      this->Name = "Form1";
      this->Text = "Form1";
      this->ResumeLayout( false );
   }

   // Declare a new memory stream.
   MemoryStream^ userInput;

private:

   // Save the content of RichTextBox1 to the memory stream, 
   // appending a LineFeed character.  
   void Button1_Click( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      RichTextBox1->SaveFile( userInput, RichTextBoxStreamType::PlainText );
      userInput->WriteByte( 13 );
      
      // Display the entire contents of the stream,
      // by setting its position to 0, to RichTextBox2.
      userInput->Position = 0;
      RichTextBox2->LoadFile( userInput, RichTextBoxStreamType::PlainText );
   }


   // Shows the use of a SaveFileDialog to save a MemoryStream to a file.
   void Button2_Click( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      
      // Set the properties on SaveFileDialog1 so the user is 
      // prompted to create the file if it doesn't exist 
      // or overwrite the file if it does exist.
      SaveFileDialog1->CreatePrompt = true;
      SaveFileDialog1->OverwritePrompt = true;
      
      // Set the file name to myText.txt, set the type filter
      // to text files, and set the initial directory to the
      // MyDocuments folder.
      SaveFileDialog1->FileName = "myText";
      // DefaultExt is only used when "All files" is selected from 
      // the filter box and no extension is specified by the user.
      SaveFileDialog1->DefaultExt = "txt";
      SaveFileDialog1->Filter = "Text files (*.txt)|*.txt|All files (*.*)|*.*";
      SaveFileDialog1->InitialDirectory = 
          Environment->GetFolderPath(Environment::SpecialFolder::MyDocuments);
      
      // Call ShowDialog and check for a return value of DialogResult.OK,
      // which indicates that the file was saved. 
      DialogResult result = SaveFileDialog1->ShowDialog();
      Stream^ fileStream;
      if ( result == DialogResult::OK )
      {
         fileStream = SaveFileDialog1->OpenFile();
         userInput->Position = 0;
         userInput->WriteTo( fileStream );
         fileStream->Close();
      }
   }
};

int main()
{
   Application::Run( gcnew Form1 );
}

using System;
using System.Drawing;
using System.IO;
using System.Windows.Forms;

public partial class Form1: Form
{
    internal RichTextBox RichTextBox1;
    internal Button Button1;
    internal RichTextBox RichTextBox2;
    internal Button Button2;
    internal SaveFileDialog SaveFileDialog1;

    public Form1() : base()
    {   
        this.RichTextBox1 = new RichTextBox();
        this.Button1 = new Button();
        this.RichTextBox2 = new RichTextBox();
        this.Button2 = new Button();
        this.SaveFileDialog1 = new SaveFileDialog();
        this.SuspendLayout();
        this.RichTextBox1.Location = new Point(24, 64);
        this.RichTextBox1.Name = "RichTextBox1";
        this.RichTextBox1.TabIndex = 0;
        this.RichTextBox1.Text = "Type something here.";
        this.Button1.Location = new Point(96, 16);
        this.Button1.Name = "Button1";
        this.Button1.Size = new Size(96, 24);
        this.Button1.TabIndex = 1;
        this.Button1.Text = "Save To Stream";
        this.Button1.Click += new EventHandler(Button1_Click);
        this.RichTextBox2.Location = new Point(152, 64);
        this.RichTextBox2.Name = "RichTextBox2";
        this.RichTextBox2.TabIndex = 3;
        this.RichTextBox2.Text = 
            "It will be added to the stream and appear here.";
        this.Button2.Location = new Point(104, 200);
        this.Button2.Name = "Button2";
        this.Button2.Size = new Size(88, 32);
        this.Button2.TabIndex = 4;
        this.Button2.Text = "Save Stream To File";
        this.Button2.Click += new EventHandler(Button2_Click);
        this.ClientSize = new Size(292, 266);
        this.Controls.Add(this.Button2);
        this.Controls.Add(this.RichTextBox2);
        this.Controls.Add(this.Button1);
        this.Controls.Add(this.RichTextBox1);
        this.Name = "Form1";
        this.Text = "Form1";
        this.ResumeLayout(false);
    }

    public static void Main()
    {
        Application.Run(new Form1());
    }

    // Declare a new memory stream.
    MemoryStream userInput = new MemoryStream();

    // Save the content of RichTextBox1 to the memory stream, 
    // appending a LineFeed character.  
    private void Button1_Click(Object sender, EventArgs e)
    {
        RichTextBox1.SaveFile(userInput, RichTextBoxStreamType.PlainText);
        userInput.WriteByte(13);

        // Display the entire contents of the stream,
        // by setting its position to 0, to RichTextBox2.
        userInput.Position = 0;
        RichTextBox2.LoadFile(userInput, RichTextBoxStreamType.PlainText);
    }

    // Shows the use of a SaveFileDialog to save a MemoryStream to a file.
    private void Button2_Click(Object sender, EventArgs e)
    {
        // Set the properties on SaveFileDialog1 so the user is 
        // prompted to create the file if it doesn't exist 
        // or overwrite the file if it does exist.
        SaveFileDialog1.CreatePrompt = true;
        SaveFileDialog1.OverwritePrompt = true;

        // Set the file name to myText.txt, set the type filter
        // to text files, and set the initial directory to the 
        // MyDocuments folder.
        SaveFileDialog1.FileName = "myText";
        // DefaultExt is only used when "All files" is selected from 
        // the filter box and no extension is specified by the user.
        SaveFileDialog1.DefaultExt = "txt";
        SaveFileDialog1.Filter = 
            "Text files (*.txt)|*.txt|All files (*.*)|*.*";
        SaveFileDialog1.InitialDirectory = 
            Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);

        // Call ShowDialog and check for a return value of DialogResult.OK,
        // which indicates that the file was saved. 
        DialogResult result = SaveFileDialog1.ShowDialog();
        Stream fileStream;

        if (result == DialogResult.OK)
        {
            // Open the file, copy the contents of memoryStream to fileStream,
            // and close fileStream. Set the memoryStream.Position value to 0 
            // to copy the entire stream. 
            fileStream = SaveFileDialog1.OpenFile();
            userInput.Position = 0;
            userInput.WriteTo(fileStream);
            fileStream.Close();
        }
    }
}

Imports System.Drawing
Imports System.IO
Imports System.Windows.Forms

Partial Public Class Form1
    Inherits Form

    Friend WithEvents RichTextBox1 As RichTextBox
    Friend WithEvents Button1 As Button
    Friend WithEvents RichTextBox2 As RichTextBox
    Friend WithEvents Button2 As Button
    Friend WithEvents SaveFileDialog1 As SaveFileDialog

    Public Sub New()
        MyBase.New()
        Me.RichTextBox1 = New RichTextBox
        Me.Button1 = New Button
        Me.RichTextBox2 = New RichTextBox
        Me.Button2 = New Button
        Me.SaveFileDialog1 = New SaveFileDialog
        Me.SuspendLayout()
        Me.RichTextBox1.Location = New Point(24, 64)
        Me.RichTextBox1.Name = "RichTextBox1"
        Me.RichTextBox1.TabIndex = 0
        Me.RichTextBox1.Text = "Type something here."
        Me.Button1.Location = New Point(96, 16)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New Size(96, 24)
        Me.Button1.TabIndex = 1
        Me.Button1.Text = "Save To Stream"
        Me.RichTextBox2.Location = New Point(152, 64)
        Me.RichTextBox2.Name = "RichTextBox2"
        Me.RichTextBox2.TabIndex = 3
        Me.RichTextBox2.Text = "It will be added to the stream and appear here."
        Me.Button2.Location = New Point(104, 200)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New Size(88, 32)
        Me.Button2.TabIndex = 4
        Me.Button2.Text = "Save Stream To File"
        Me.ClientSize = New Size(292, 266)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.RichTextBox2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.RichTextBox1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

    Public Shared Sub Main()
        Application.Run(New Form1)
    End Sub

    ' Declare a new memory stream.
    Dim userInput As New MemoryStream

    ' Save the content of RichTextBox1 to the memory stream, appending
    'a LineFeed character.  
    Private Sub Button1_Click(ByVal sender As Object, _
        ByVal e As EventArgs) Handles Button1.Click
        RichTextBox1.SaveFile(userInput, RichTextBoxStreamType.PlainText)
        userInput.WriteByte(13)

        ' Display the entire contents of the stream,
        ' by setting its position to 0, to RichTextBox2.
        userInput.Position = 0
        RichTextBox2.LoadFile(userInput, RichTextBoxStreamType.PlainText)
    End Sub

    ' Shows the use of a SaveFileDialog to save a MemoryStream to a file.
    Private Sub Button2_Click(ByVal sender As Object, _
        ByVal e As EventArgs) Handles Button2.Click

        ' Set the properties on SaveFileDialog1 so the user is 
        ' prompted to create the file if it doesn't exist 
        ' or overwrite the file if it does exist.
        SaveFileDialog1.CreatePrompt = True
        SaveFileDialog1.OverwritePrompt = True

        ' Set the file name to myText.txt, set the type filter
        ' to text files, and set the initial directory to the 
        ' MyDocuments folder.
        SaveFileDialog1.FileName = "myText"
        ' DefaultExt is only used when "All files" is selected from 
        ' the filter box and no extension is specified by the user.
        SaveFileDialog1.DefaultExt = "txt"
        SaveFileDialog1.Filter = "Text files (*.txt)|*.txt|All files (*.*)|*.*"
        SaveFileDialog1.InitialDirectory = _
            Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments)

        ' Call ShowDialog and check for a return value of DialogResult.OK,
        ' which indicates that the file was saved. 
        Dim result As DialogResult = SaveFileDialog1.ShowDialog()
        Dim fileStream As Stream

        If (result = DialogResult.OK) Then
            ' Open the file, copy the contents of memoryStream to fileStream,
            ' and close fileStream. Set the memoryStream.Position value to 0 to 
            ' copy the entire stream. 
            fileStream = SaveFileDialog1.OpenFile()
            userInput.Position = 0
            userInput.WriteTo(fileStream)
            fileStream.Close()
        End If
    End Sub

End Class

Observações

Esta versão do SaveFile método permite-lhe guardar todo o conteúdo do controlo no fluxo de dados já aberto. O fluxo de dados pode então guardar a informação num ficheiro. Pode usar o LoadFile método para carregar o conteúdo de um ficheiro no RichTextBoxarquivo .

Esta versão do SaveFile método também permite especificar um formato de dados para a informação que será enviada ao Stream objeto.

Ver também

• Stream
• LoadFile(String)
• RichTextBoxStreamType

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

public:
 void SaveFile(System::String ^ path, System::Windows::Forms::RichTextBoxStreamType fileType);

public void SaveFile(string path, System.Windows.Forms.RichTextBoxStreamType fileType);

member this.SaveFile : string * System.Windows.Forms.RichTextBoxStreamType -> unit

Public Sub SaveFile (path As String, fileType As RichTextBoxStreamType)

Parâmetros

Exceções

Exemplos

O seguinte exemplo de código guarda o conteúdo de num RichTextBox ficheiro de texto ASCII. O exemplo usa a SaveFileDialog classe para mostrar um diálogo que solicita o caminho e o nome do ficheiro ao utilizador. O código guarda então o conteúdo do controlo nesse ficheiro. O exemplo utiliza esta versão do SaveFile método para especificar que o ficheiro deve ser guardado como um ficheiro de texto ASCII em vez do formato padrão de texto enriquecido. Este exemplo exige que o código seja colocado numa Form classe que tenha um RichTextBox controlo chamado richTextBox1.

public:
   void SaveMyFile()
   {
      // Create a SaveFileDialog to request a path and file name to save to.
      SaveFileDialog^ saveFile1 = gcnew SaveFileDialog;
      
      // Initialize the SaveFileDialog to specify the RTF extension for the file.
      saveFile1->DefaultExt = "*.rtf";
      saveFile1->Filter = "RTF Files|*.rtf";
      
      // Determine if the user selected a file name from the saveFileDialog.
      if ( saveFile1->ShowDialog() == System::Windows::Forms::DialogResult::OK &&
         saveFile1->FileName->Length > 0 )
      {
         // Save the contents of the RichTextBox into the file.
         richTextBox1->SaveFile( saveFile1->FileName, RichTextBoxStreamType::PlainText );
      }
   }

public void SaveMyFile()
{
   // Create a SaveFileDialog to request a path and file name to save to.
   SaveFileDialog saveFile1 = new SaveFileDialog();

   // Initialize the SaveFileDialog to specify the RTF extension for the file.
   saveFile1.DefaultExt = "*.rtf";
   saveFile1.Filter = "RTF Files|*.rtf";

   // Determine if the user selected a file name from the saveFileDialog.
   if(saveFile1.ShowDialog() == System.Windows.Forms.DialogResult.OK &&
      saveFile1.FileName.Length > 0) 
   {
      // Save the contents of the RichTextBox into the file.
      richTextBox1.SaveFile(saveFile1.FileName, RichTextBoxStreamType.PlainText);
   }
}

Public Sub SaveMyFile()
    ' Create a SaveFileDialog to request a path and file name to save to.
    Dim saveFile1 As New SaveFileDialog()
    
    ' Initialize the SaveFileDialog to specify the RTF extension for the file.
    saveFile1.DefaultExt = "*.rtf"
    saveFile1.Filter = "RTF Files|*.rtf"
    
    ' Determine if the user selected a file name from the saveFileDialog.
    If (saveFile1.ShowDialog() = System.Windows.Forms.DialogResult.OK) _
        And (saveFile1.FileName.Length) > 0 Then
    
        ' Save the contents of the RichTextBox into the file.
        richTextBox1.SaveFile(saveFile1.FileName, _
            RichTextBoxStreamType.PlainText)
    End If
End Sub

Observações

O método SaveFile permite guardar todo o conteúdo do controlo num ficheiro RTF que pode ser usado por outros programas como Microsoft Word e Windows WordPad. Se o nome do ficheiro que é passado para o path parâmetro já existir no diretório especificado, o ficheiro será sobrescrito sem aviso prévio. Pode usar o LoadFile método para carregar o conteúdo de um ficheiro no RichTextBoxarquivo .

Esta versão do SaveFile método permite-lhe especificar um tipo de ficheiro para guardar o conteúdo do controlo. Pode usar esta funcionalidade para garantir que o ficheiro é guardado no formato correto com base no conteúdo do controlo. Por exemplo, se o seu documento não tiver diferenças no estilo da fonte ou na coloração, pode guardar o ficheiro como um ficheiro de texto ASCII definindo o fileType parâmetro para RichTextBoxStreamType.PlainText.

Ver também

• LoadFile(String)
• RichTextBoxStreamType

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

Origem:

RichTextBox.cs

public:
 void SaveFile(System::String ^ path);

public void SaveFile(string path);

member this.SaveFile : string -> unit

Public Sub SaveFile (path As String)

Parâmetros

Exceções

Exemplos

O exemplo de código seguinte guarda o conteúdo de um RichTextBox controlo num ficheiro RTF. O exemplo usa a SaveFileDialog classe para mostrar um diálogo a pedir ao utilizador o caminho e o nome do ficheiro a guardar. O código guarda então o ficheiro, assumindo que o conteúdo está em formato de texto enriquecido. Se o ficheiro já existir, é automaticamente sobrescrito. Este exemplo exige que o código seja colocado numa Form classe que tenha um RichTextBox controlo chamado richTextBox1.

public:
   void SaveMyFile()
   {
      // Create a SaveFileDialog to request a path and file name to save to.
      SaveFileDialog^ saveFile1 = gcnew SaveFileDialog;
      
      // Initialize the SaveFileDialog to specify the RTF extention for the file.
      saveFile1->DefaultExt = "*.rtf";
      saveFile1->Filter = "RTF Files|*.rtf";
      
      // Determine whether the user selected a file name from the saveFileDialog.
      if ( saveFile1->ShowDialog() == System::Windows::Forms::DialogResult::OK &&
         saveFile1->FileName->Length > 0 )
      {
         // Save the contents of the RichTextBox into the file.
         richTextBox1->SaveFile( saveFile1->FileName );
      }
   }

public void SaveMyFile()
{
   // Create a SaveFileDialog to request a path and file name to save to.
   SaveFileDialog saveFile1 = new SaveFileDialog();

   // Initialize the SaveFileDialog to specify the RTF extention for the file.
   saveFile1.DefaultExt = "*.rtf";
   saveFile1.Filter = "RTF Files|*.rtf";

   // Determine whether the user selected a file name from the saveFileDialog.
   if(saveFile1.ShowDialog() == System.Windows.Forms.DialogResult.OK &&
      saveFile1.FileName.Length > 0) 
   {
      // Save the contents of the RichTextBox into the file.
      richTextBox1.SaveFile(saveFile1.FileName);
   }
}

Public Sub SaveMyFile()
    ' Create a SaveFileDialog to request a path and file name to save to.
    Dim saveFile1 As New SaveFileDialog()
    
    ' Initialize the SaveFileDialog to specify the RTF extention for the file.
    saveFile1.DefaultExt = "*.rtf"
    saveFile1.Filter = "RTF Files|*.rtf"
    
    ' Determine whether the user selected a file name from the saveFileDialog.
    If (saveFile1.ShowDialog() = System.Windows.Forms.DialogResult.OK) _
        And (saveFile1.FileName.Length > 0) Then
        
        ' Save the contents of the RichTextBox into the file.
        richTextBox1.SaveFile(saveFile1.FileName)
    End If
End Sub

Observações

O método SaveFile permite guardar todo o conteúdo do controlo num ficheiro RTF que pode ser usado por outros programas como Microsoft Word e Windows WordPad. Se o nome do ficheiro que é passado para o path parâmetro já existir no diretório especificado, o ficheiro será sobrescrito sem aviso prévio. Pode usar o LoadFile método para carregar o conteúdo de um ficheiro no RichTextBoxarquivo .

Ver também

• LoadFile(String)